<template>
    <el-aside width="220px" class="image-aside" v-loading="loading">
        <div class="top">
            <AsideList v-for="(item, index) in list" :key="index" :active="activeId == item.id"
             @edit="handleEdit(item)" @delete="handleDelete(item.id)" @click="handelActive(item.id)">
                {{ item.name }}
            </AsideList>
        </div>
        <div class="bottom">
            <el-pagination background layout="prev, next" :total="total" :current-page="currentPage" :page-size="limit"
                @current-change="getData" />
        </div>
    </el-aside>

    <FormDrawer ref="formDrawerRef" @submit="handleSubmit" :title="drawerTitle">
        <el-form :model="form" ref="formRef" :rules="rules" label-width="80px" :inline="false">
            <el-form-item label="分类名称" prop="name">
                <el-input v-model="form.name"></el-input>
            </el-form-item>
            <el-form-item label="排序" prop="order">
                <el-input-number v-model="form.order" :min="0" :max="1000" />
            </el-form-item>
        </el-form>
    </FormDrawer>
</template>

<script setup>
import AsideList from './AsideList.vue';
import FormDrawer from '../FormDrawer.vue';
import { toast } from '~/composables/util.js'
import { getImageClassList , createImageClass , updateImageClass , deleteImageClass } from "~/api/image_class.js"
import { computed, reactive, ref } from 'vue';
//加载动画
const loading = ref(false);
const list = ref([]);
//分页
const currentPage = ref(1);
const total = ref(0);
const limit = ref(10);
const editId = ref(0);
const drawerTitle = computed(() => editId.value ? "修改" : "新增");
const form = reactive({
    name: "",
    order: 50
})
//获取数据
function getData(p = null) {
    if (typeof p == 'number') {
        currentPage.value = p;
    }
    loading.value = true;
    getImageClassList(currentPage.value)
        .then(res => {
            list.value = res.list;
            total.value = res.totalCount;
            let item = list.value[0];
            if (item) {
                handelActive(item.id);
            }
        }).finally(() => {
            loading.value = false;
        })
}
getData();

const formDrawerRef = ref(null);
const handleCreate = () => {
    editId.value = 0;
    form.name = "";
    form.order = 50;
    formDrawerRef.value.open();
}

const rules = {
    name: [
        {
            required: true, message: "图库分类名称不能为空", trigger: "blur"
        },
    ],
    order: [
        {
            required: true, message: "图库排序不能为空", trigger: "blur"
        },
    ]
}

const formRef = ref(null);

//选中图库分类ID
const activeId = ref(0);
const emit =  defineEmits(["change"]);
const handelActive = (id) => {
    activeId.value = id;
    emit("change",id);
}

defineExpose({
    handleCreate
})

//编辑
const handleEdit = (row) => {
    editId.value = row.id;
    form.name = row.name;
    form.order = row.order;
    formDrawerRef.value.open();
}
//删除
const handleDelete = (id) => {
    loading.value = true;
    deleteImageClass(id)
        .then(res => {
            toast("删除成功");
            getData();
        }).finally(() => {
            loading.value = false;
        })
}
</script>

<style>
.image-aside {
    border-right: 1px solid #eee;
    position: relative;
}

.image-aside .top {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    bottom: 50px;
    overflow-y: auto;
}

.image-aside .bottom {
    position: absolute;
    bottom: 0;
    height: 50px;
    left: 0;
    right: 0;
    @apply flex items-center justify-center;
}
</style>